Runs in this browser

Clean input.
Useful output.

Format, inspect, encode and generate without installing a package or sending snippets to a server.

Open the toolbox No account · no upload
17 tools1 MB input limit0 server uploadsNative browser APIs
The browser workbench

One toolbox. 17 jobs.

Format, inspect, encode and generate without moving sensitive snippets through an unknown server.

{ }Quick access

JSON Formatter

Paste JSON, validate it and switch between readable or compact output.

Open workspace ±Quick access

JSON Diff

Compare JSON structure and values without whitespace or object-key-order noise.

Open workspace B64Quick access

Base64 Encoder / Decoder

Convert Unicode text to Base64 and back without sending the content to a server.

Open workspace %20Quick access

URL Encoder / Decoder

Safely encode query values and decode percent escapes such as %20.

Open workspace URLDeveloper utility

URL Parser

Split a complete URL into copy-ready components and inspect every query parameter.

Open workspace IDDeveloper utility

UUID Generator

Create random UUID v4 values or time-ordered UUID v7 identifiers for test data, records and prototypes.

Open workspace JWTDeveloper utility

JWT Decoder

Inspect a JWT header, payload and expiration-related time claims without transmitting it.

Open workspace /.*/Developer utility

Regex Tester

Run a JavaScript regex against sample text and inspect each match and capture group.

Open workspace #Developer utility

Hash Generator

Create a hexadecimal SHA digest from text with the browser's native cryptography.

Open workspace ***Developer utility

Password Generator

Create a random password locally with the character groups you choose.

Open workspace ⇄Developer utility

JSON ↔ CSV Converter

Move simple table-shaped data between JSON and CSV without uploading a file.

Open workspace T+Developer utility

Unix Timestamp Converter

Convert Unix epoch seconds or milliseconds to readable dates and back.

Open workspace HTTPDeveloper utility

HTTP Status Code Lookup

Search common registered HTTP response codes by number, phrase or status class.

Open workspace CRONDeveloper utility

Cron Expression Calculator

Check a Unix crontab schedule field by field and see the next five UTC runs before you deploy it.

Open workspace YMLDeveloper utility

YAML ↔ JSON Converter

Move configuration data between YAML and JSON with clear validation and local downloads.

Open workspace &;Developer utility

HTML Entity Encoder / Decoder

Escape HTML-sensitive characters or convert entity references back to text.

Open workspace ±TXTDeveloper utility

Text Diff Checker

Compare two text or code versions and inspect every added, removed and unchanged line.

Open workspace

Hash generators by algorithm

Choose the exact digest or password-hashing function your format requires. Security limitations are stated on every page.

SHA-256 Hash GeneratorModern SHA-2 text digestSHA-512 Hash Generator128-character SHA-2 digestSHA-1 Hash GeneratorLegacy compatibility onlyMD5 Hash GeneratorBroken legacy checksum onlybcrypt Hash GeneratorSalted, deliberately slow password hash

From messy to usable in one tab.

The path is deliberately boring: paste something, run one action, copy the result.

  1. PasteUseful examples make every workspace understandable immediately.
  2. RunNative browser APIs do the work locally with clear validation.
  3. CopyThe clean output is one obvious action away.